Fitbit Sense 2 Advanced Health Smartwatch Shadow Gray/Graphite

This smartwatch offers a comprehensive health and fitness tracking experience, including SpO2 (blood oxygen) monitoring, ECG app for heart rhythm assessment, and irregular heart rhythm notifications. It tracks heart rate, including resting and high/low values, and provides stress notifications with a Stress Management Score. The sleep tracking feature monitors quality and stages of sleep, providing a Sleep Score to help you understand your rest. It also includes a skin temperature sensor, Active Zone Minutes, and built-in GPS for outdoor activities. The watch tracks steps, distance, and calories, and is swimproof up to 50 meters. With Alexa built-in, you can access voice commands. The battery lasts for 6+ days. The small band fits wrists 5.5" to 7.1" and the large band fits wrists 7.1" to 8.7".